US3248189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading tool structure
Assignee: Dexco Corp
•
Filing: 1962-01-02
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Granted: 1966-04-26
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
B; B23; B23F; B23F21/00; B23F21/03; B24; B24D; B24D18/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
ABRADING TOOL STRUCTURE COMPRISING, A SUBSTANTIALLY RIGID METAL SUBSTRATE, SAID SUBSTRATE BEING PROVIDED WITH A LAYER OF NICKEL-CHROMIUM-BORON ALLOY SERVING AS A BONDING SURFACE, MYRIAD GRITS OF AN ABRASIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, SILICON CARBIDE, TITANIUM CARBIDE, GARNET AND TUNGSTEN CARBIDE, SAID GRITS BEING ASSEMBLED IN THE FORM OF A LARGE NUMBER OF COLUMNS, THE GRITS OF EACH COLUMN BEING BONDED TOGETHER BY A MATRIX MATERIAL COMPRISING A NICKEL-CHROMIUM-BORON ALLOY WHICH EXTENDS BETWEEN AND IS BONDED TO ADJACENT GRITS,
Claim 2
Dependent Claim
84 words
ABRADING TOOL STRUCTURE COMPRISING, A SUBSTANTIALLY RIGID METAL SUBSTRATE, SAID SUBSTRATE BEING PROVIDED WITH A LAYER OF NICKEL-CHROMIUM-BORON ALLOY SERVING AS A BONDING SURFACE, MYRIAD GRITS OF AN ABRASIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM OXIDE, SILICON CARBIDE, TITANIUM CARBIDE, GARNET AND TUNGSTEN CARBIDE, SAID GRITS BEING ASSEMBLED IN THE FORM OF A LARGE NUMBER OF COLUMNS, THE GRITS OF EACH COLUMN BEING BONDED TOGETHER BY A MATRIX MATERIAL COMPRISING A NICKEL-CHROMIUM-BORON ALLOY WHICH EXTENDS BETWEEN AND IS BONDED TO ADJACENT GRITS,
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |